fixing bugs found by clang

1 files changed, 8 insertions, 2 deletions

diff --git a/src/transport/plugin_transport_udp.c b/src/transport/plugin_transport_udp.c
index 90053b575..0f76a6842 100644
--- a/src/transport/plugin_transport_udp.c
+++ b/src/transport/plugin_transport_udp.c
@@ -559,7 +559,7 @@ udp_address_to_string (void *cls, const void *addr, size_t addrlen)
   uint16_t port;
   uint32_t options;
 
-  if (addrlen == sizeof (struct IPv6UdpAddress))
+  if ((NULL != addr) && (addrlen == sizeof (struct IPv6UdpAddress)))
   {
     t6 = addr;
     af = AF_INET6;
@@ -568,7 +568,7 @@ udp_address_to_string (void *cls, const void *addr, size_t addrlen)
     memcpy (&a6, &t6->ipv6_addr, sizeof (a6));
     sb = &a6;
   }
-  else if (addrlen == sizeof (struct IPv4UdpAddress))
+  else if ((NULL != addr) && (addrlen == sizeof (struct IPv4UdpAddress)))
   {
     t4 = addr;
     af = AF_INET;
@@ -1392,6 +1392,12 @@ create_session (struct Plugin *plugin, const struct GNUNET_PeerIdentity *target,
   struct sockaddr_in6 *v6;
   size_t len;
 
+  if (NULL == addr)
+  {
+        GNUNET_break (0);
+        return NULL;
+  }
+
   switch (addrlen)
   {
   case sizeof (struct IPv4UdpAddress):